/Engine/Plugins/Runtime/RigVM/Source/RigVM/Public/RigVMCore/RigVMStruct.h
typedef TBaseDelegate_TwoParams< [FName](API\Runtime\Core\UObject\FName), [FRigVMExternalVariable](API\Plugins\RigVM\RigVMCore\FRigVMExternalVariable), [FString](API\Runtime\Core\Containers\FString) > FRigVMCreateExternalVariableDelegate